PSMR1
Phase
Sequence & Motor
Rotation
INSTRUCTIONAL MANUAL
Introduction
All the information you need in one device. Verify
correct wiring to avoid damage.
Use the PSMR1 to check supply line phase
orientation for devices such as scroll
compressors or motors. Works on 45-70 Hz
and on voltages between 100 and 600 VAC.
Five indicators give you information about
open phases, and indicate the sequence of the
three lines. Use the motor rotation tester side
of the meter to verify the rotation direction of
the motor shaft.
Note:
Follow all warnings to ensure
safe operations.
Safety Notes
• Read the following safety information
carefully before attempting to operate or
service the meter.
• Use the meter only as specified in this
manual; otherwise the protection provided
by the meter may be impaired.
• Rated environmental conditions:
1. Indoor use.
2. Installation Category III.
3. Pollution Degree 2.
4. Altitude up to 6560 feet (2000 meters).
5. Relative humidity 80% Max.
6. Ambient temperature 32 - 104˚F (0 - 40˚C).
• Observe the international electrical symbols
listed below:
Meter is protected throughout by double
insulation or reinforced insulation.
WARNING!
Risk of electric shock.
CAUTION!
Refer to this manual before
using the meter.
Alternating current.
Features
• Three functions in one unit including open phase,
phase sequence and motor rotation indication.
• This model is ideal for installing conveyor lines,
pump systems and interconnected drivers.
• Identifies 3-phase sequence and open phase check.
• Battery operated.
• Meets EN61010-1 safety requirements.
• Complete with three large alligator clips.
Descriptions
1. Phase rotation input terminal
2. Open phase indicator
3. Phase rotation indicator
4. Motor tester power switch
5. Motor tester power indicator
6. Motor rotation indicator
7. Motor rotation input terminal
Measuring Methods
Operations 3 phase rotation tester:
1. Connect the test lead to 3-phase input
terminals by R-S-T.
2. Connect color alligator clips to the
terminals of a 3-phase power source.
Connecting order may be optional.
3. Make sure that all of the three lamps for
open phase check are on. If so, there is no
open phase. When any of the three lamps
is not on, there is open phase.
Continued on other side
UE
PSMR1
Phase & Motor Rotation Tester
®
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